Patents by Inventor Michel Jean Riboulet

Michel Jean Riboulet has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Solar absorbers with layers of nickel/chromium alloy and dielectric material
    Patent number: 4122239
    Abstract: This invention relates to space vehicles. It is concerned with solar absorbers consisting of a metallic or metallized substrate with a weak hemispherical emission factor coated with two layers consisting of a semi-transparent metallic layer adhering to the substrate and of an outer interference dielectric layer. The metallic layer is a layer of nickel/chromium alloy consisting of 60 to 83% by weight of nickel and of 40 to 15% by weight of chromium, and the dielectric layer is a layer of silicon monoxide, of zinc sulphide or silicon dioxide.
    Type: Grant
    Filed: January 12, 1977
    Date of Patent: October 24, 1978
    Assignee: Centre National d'Etudes Spatiales
    Inventors: Michel Jean Riboulet, Jacques Yves Louis Georges Simon